123051100525355 has 4 divisors (see below), whose sum is σ = 147661320630432. Its totient is φ = 98440880420280.

The previous prime is 123051100525291. The next prime is 123051100525393. The reversal of 123051100525355 is 553525001150321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 123051100525355 - 2⁶ = 123051100525291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12305110052531 + ... + 12305110052540.

It is an arithmetic number, because the mean of its divisors is an integer number (36915330157608).

Almost surely, 2^{123051100525355} is an apocalyptic number.

123051100525355 is a deficient number, since it is larger than the sum of its proper divisors (24610220105077).

123051100525355 is an equidigital number, since it uses as much as digits as its factorization.

123051100525355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24610220105076.

The product of its (nonzero) digits is 112500, while the sum is 38.

Adding to 123051100525355 its reverse (553525001150321), we get a palindrome (676576101675676).

The spelling of 123051100525355 in words is "one hundred twenty-three trillion, fifty-one billion, one hundred million, five hundred twenty-five thousand, three hundred fifty-five".