123572542395 has 16 divisors (see below), whose sum is σ = 204094006272. Its totient is φ = 63779376480.

The previous prime is 123572542367. The next prime is 123572542397. The reversal of 123572542395 is 593245275321.

It is not a de Polignac number, because 123572542395 - 2¹³ = 123572534203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123572542397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132873237 + ... + 132874166.

It is an arithmetic number, because the mean of its divisors is an integer number (12755875392).

Almost surely, 2^123572542395 is an apocalyptic number.

123572542395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123572542395 is a deficient number, since it is larger than the sum of its proper divisors (80521463877).

123572542395 is a wasteful number, since it uses less digits than its factorization.

123572542395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265747442.

The product of its digits is 2268000, while the sum is 48.

The spelling of 123572542395 in words is "one hundred twenty-three billion, five hundred seventy-two million, five hundred forty-two thousand, three hundred ninety-five".