23500153545 has 48 divisors (see below), whose sum is σ = 42446322240. Its totient is φ = 11086035840.

The previous prime is 23500153543. The next prime is 23500153583. The reversal of 23500153545 is 54535100532.

It is a happy number.

It is not a de Polignac number, because 23500153545 - 2¹ = 23500153543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (23500153543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107815 + ... + 242124.

It is an arithmetic number, because the mean of its divisors is an integer number (884298380).

Almost surely, 2^23500153545 is an apocalyptic number.

It is an amenable number.

23500153545 is a deficient number, since it is larger than the sum of its proper divisors (18946168695).

23500153545 is a wasteful number, since it uses less digits than its factorization.

23500153545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350006 (or 349995 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 23500153545 in words is "twenty-three billion, five hundred million, one hundred fifty-three thousand, five hundred forty-five".