23721010403 has 16 divisors (see below), whose sum is σ = 24876991104. Its totient is φ = 22600028160.

The previous prime is 23721010303. The next prime is 23721010409. The reversal of 23721010403 is 30401012732.

It is a cyclic number.

It is not a de Polignac number, because 23721010403 - 2³⁴ = 6541141219 is a prime.

It is a super-3 number, since 3×23721010403³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23721010409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235451 + ... + 320747.

It is an arithmetic number, because the mean of its divisors is an integer number (1554811944).

Almost surely, 2^23721010403 is an apocalyptic number.

23721010403 is a deficient number, since it is larger than the sum of its proper divisors (1155980701).

23721010403 is an equidigital number, since it uses as much as digits as its factorization.

23721010403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85502.

The product of its (nonzero) digits is 1008, while the sum is 23.

The spelling of 23721010403 in words is "twenty-three billion, seven hundred twenty-one million, ten thousand, four hundred three".