10202123023 has 4 divisors (see below), whose sum is σ = 10202648688. Its totient is φ = 10201597360.

The previous prime is 10202123003. The next prime is 10202123027. The reversal of 10202123023 is 32032120201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10202123023 - 2⁵ = 10202122991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202122988 and 10202123006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202123027) 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, 232558 + ... + 272923.

It is an arithmetic number, because the mean of its divisors is an integer number (2550662172).

Almost surely, 2^10202123023 is an apocalyptic number.

10202123023 is a deficient number, since it is larger than the sum of its proper divisors (525665).

10202123023 is an equidigital number, since it uses as much as digits as its factorization.

10202123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525664.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10202123023 its reverse (32032120201), we get a palindrome (42234243224).

It can be divided in two parts, 10202 and 123023, that added together give a square (133225 = 365²).

The spelling of 10202123023 in words is "ten billion, two hundred two million, one hundred twenty-three thousand, twenty-three".