1023133101123 has 8 divisors (see below), whose sum is σ = 1559059963648. Its totient is φ = 584647486344.

The previous prime is 1023133101101. The next prime is 1023133101143. The reversal of 1023133101123 is 3211013313201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023133101123 - 2⁵ = 1023133101091 is a prime.

It is a super-2 number, since 2×1023133101123² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 48720623863 = 1023133101123 / (1 + 0 + 2 + 3 + 1 + 3 + 3 + 1 + 0 + 1 + 1 + 2 + 3).

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 1023133101123.

It is not an unprimeable number, because it can be changed into a prime (1023133101143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24360311911 + ... + 24360311952.

It is an arithmetic number, because the mean of its divisors is an integer number (194882495456).

Almost surely, 2^{1023133101123} is an apocalyptic number.

1023133101123 is a deficient number, since it is larger than the sum of its proper divisors (535926862525).

1023133101123 is an equidigital number, since it uses as much as digits as its factorization.

1023133101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48720623873.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1023133101123 its reverse (3211013313201), we get a palindrome (4234146414324).

The spelling of 1023133101123 in words is "one trillion, twenty-three billion, one hundred thirty-three million, one hundred one thousand, one hundred twenty-three".