23690011503 has 4 divisors (see below), whose sum is σ = 31586682008. Its totient is φ = 15793341000.

The previous prime is 23690011453. The next prime is 23690011511. The reversal of 23690011503 is 30511009632.

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

It is not a de Polignac number, because 23690011503 - 2²¹ = 23687914351 is a prime.

It is a super-2 number, since 2×23690011503² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23690011703) 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, 3948335248 + ... + 3948335253.

It is an arithmetic number, because the mean of its divisors is an integer number (7896670502).

Almost surely, 2^23690011503 is an apocalyptic number.

23690011503 is a deficient number, since it is larger than the sum of its proper divisors (7896670505).

23690011503 is an equidigital number, since it uses as much as digits as its factorization.

23690011503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896670504.

The product of its (nonzero) digits is 4860, while the sum is 30.

The spelling of 23690011503 in words is "twenty-three billion, six hundred ninety million, eleven thousand, five hundred three".