23146198530 has 128 divisors (see below), whose sum is σ = 72392237568. Its totient is φ = 4596314112.

The previous prime is 23146198529. The next prime is 23146198553. The reversal of 23146198530 is 3589164132.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 202957 + ... + 295776.

It is an arithmetic number, because the mean of its divisors is an integer number (565564356).

Almost surely, 2^23146198530 is an apocalyptic number.

23146198530 is an abundant number, since it is smaller than the sum of its proper divisors (49246039038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23146198530 is a wasteful number, since it uses less digits than its factorization.

23146198530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498780.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 23146198530 in words is "twenty-three billion, one hundred forty-six million, one hundred ninety-eight thousand, five hundred thirty".