123534054057 has 8 divisors (see below), whose sum is σ = 165238309984. Its totient is φ = 82092917088.

The previous prime is 123534054019. The next prime is 123534054107. The reversal of 123534054057 is 750450435321.

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

It is not a de Polignac number, because 123534054057 - 2¹⁶ = 123533988521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123534044057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65778643 + ... + 65780520.

It is an arithmetic number, because the mean of its divisors is an integer number (20654788748).

Almost surely, 2^123534054057 is an apocalyptic number.

It is an amenable number.

123534054057 is a deficient number, since it is larger than the sum of its proper divisors (41704255927).

123534054057 is a wasteful number, since it uses less digits than its factorization.

123534054057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131559479.

The product of its (nonzero) digits is 252000, while the sum is 39.

Adding to 123534054057 its reverse (750450435321), we get a palindrome (873984489378).

The spelling of 123534054057 in words is "one hundred twenty-three billion, five hundred thirty-four million, fifty-four thousand, fifty-seven".