23120511003 has 24 divisors (see below), whose sum is σ = 35423060400. Its totient is φ = 14481437184.

The previous prime is 23120510983. The next prime is 23120511041. The reversal of 23120511003 is 30011502132.

It is not a de Polignac number, because 23120511003 - 2¹² = 23120506907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23120511083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45733 + ... + 219846.

It is an arithmetic number, because the mean of its divisors is an integer number (1475960850).

Almost surely, 2^23120511003 is an apocalyptic number.

23120511003 is a deficient number, since it is larger than the sum of its proper divisors (12302549397).

23120511003 is a wasteful number, since it uses less digits than its factorization.

23120511003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266171 (or 266168 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The spelling of 23120511003 in words is "twenty-three billion, one hundred twenty million, five hundred eleven thousand, three".