23535144503 has 32 divisors (see below), whose sum is σ = 26555679360. Its totient is φ = 20708513280.

The previous prime is 23535144497. The next prime is 23535144517. The reversal of 23535144503 is 30544153532.

It is a happy number.

It is not a de Polignac number, because 23535144503 - 2²⁸ = 23266709047 is a prime.

It is a super-2 number, since 2×23535144503² (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 (23535134503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9883373 + ... + 9885753.

It is an arithmetic number, because the mean of its divisors is an integer number (829864980).

Almost surely, 2^23535144503 is an apocalyptic number.

23535144503 is a deficient number, since it is larger than the sum of its proper divisors (3020534857).

23535144503 is a wasteful number, since it uses less digits than its factorization.

23535144503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 23535144503 in words is "twenty-three billion, five hundred thirty-five million, one hundred forty-four thousand, five hundred three".