158620123123 has 16 divisors (see below), whose sum is σ = 198046414080. Its totient is φ = 123421183200.

The previous prime is 158620123073. The next prime is 158620123141. The reversal of 158620123123 is 321321026851.

It is not a de Polignac number, because 158620123123 - 2²¹ = 158618025971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158620123153) 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, 1437388 + ... + 1543801.

It is an arithmetic number, because the mean of its divisors is an integer number (12377900880).

Almost surely, 2^158620123123 is an apocalyptic number.

158620123123 is a deficient number, since it is larger than the sum of its proper divisors (39426290957).

158620123123 is a wasteful number, since it uses less digits than its factorization.

158620123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981898.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 158620123123 its reverse (321321026851), we get a palindrome (479941149974).

The spelling of 158620123123 in words is "one hundred fifty-eight billion, six hundred twenty million, one hundred twenty-three thousand, one hundred twenty-three".