23455002503021 has 8 divisors (see below), whose sum is σ = 24043233884544. Its totient is φ = 22867540557280.

The previous prime is 23455002502963. The next prime is 23455002503057. The reversal of 23455002503021 is 12030520055432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23455002503021 is a prime.

It is a super-2 number, since 2×23455002503021² (a number of 28 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 (23455002503321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192297215 + ... + 192419148.

It is an arithmetic number, because the mean of its divisors is an integer number (3005404235568).

Almost surely, 2^{23455002503021} is an apocalyptic number.

It is an amenable number.

23455002503021 is a deficient number, since it is larger than the sum of its proper divisors (588231381523).

23455002503021 is a wasteful number, since it uses less digits than its factorization.

23455002503021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384717891.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 23455002503021 its reverse (12030520055432), we get a palindrome (35485522558453).

The spelling of 23455002503021 in words is "twenty-three trillion, four hundred fifty-five billion, two million, five hundred three thousand, twenty-one".