102123031033 has 4 divisors (see below), whose sum is σ = 102124491408. Its totient is φ = 102121570660.

The previous prime is 102123031027. The next prime is 102123031039. The reversal of 102123031033 is 330130321201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330130321201 = 474787 ⋅695323.

It is an interprime number because it is at equal distance from previous prime (102123031027) and next prime (102123031039).

It is a cyclic number.

It is not a de Polignac number, because 102123031033 - 2²⁹ = 101586160121 is a prime.

It is a super-2 number, since 2×102123031033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102123031033.

It is not an unprimeable number, because it can be changed into a prime (102123031039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619723 + ... + 767008.

It is an arithmetic number, because the mean of its divisors is an integer number (25531122852).

Almost surely, 2^102123031033 is an apocalyptic number.

It is an amenable number.

102123031033 is a deficient number, since it is larger than the sum of its proper divisors (1460375).

102123031033 is an equidigital number, since it uses as much as digits as its factorization.

102123031033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460374.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 102123031033 its reverse (330130321201), we get a palindrome (432253352234).

The spelling of 102123031033 in words is "one hundred two billion, one hundred twenty-three million, thirty-one thousand, thirty-three".