23149995542 has 8 divisors (see below), whose sum is σ = 36552624600. Its totient is φ = 10965787344.

The previous prime is 23149995541. The next prime is 23149995553. The reversal of 23149995542 is 24559994132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23149995541) 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, 304605167 + ... + 304605242.

It is an arithmetic number, because the mean of its divisors is an integer number (4569078075).

Almost surely, 2^23149995542 is an apocalyptic number.

23149995542 is a deficient number, since it is larger than the sum of its proper divisors (13402629058).

23149995542 is a wasteful number, since it uses less digits than its factorization.

23149995542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609210430.

The product of its digits is 3499200, while the sum is 53.

The spelling of 23149995542 in words is "twenty-three billion, one hundred forty-nine million, nine hundred ninety-five thousand, five hundred forty-two".