23802345157 has 4 divisors (see below), whose sum is σ = 23808647520. Its totient is φ = 23796042796.

The previous prime is 23802345137. The next prime is 23802345191. The reversal of 23802345157 is 75154320832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23802345157 is a prime.

It is a super-3 number, since 3×23802345157³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23802345137) 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, 3145513 + ... + 3153070.

It is an arithmetic number, because the mean of its divisors is an integer number (5952161880).

Almost surely, 2^23802345157 is an apocalyptic number.

It is an amenable number.

23802345157 is a deficient number, since it is larger than the sum of its proper divisors (6302363).

23802345157 is an equidigital number, since it uses as much as digits as its factorization.

23802345157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302362.

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 23802345157 its reverse (75154320832), we get a palindrome (98956665989).

The spelling of 23802345157 in words is "twenty-three billion, eight hundred two million, three hundred forty-five thousand, one hundred fifty-seven".