123211430254 has 16 divisors (see below), whose sum is σ = 202732626096. Its totient is φ = 55695772800.

The previous prime is 123211430233. The next prime is 123211430297. The reversal of 123211430254 is 452034112321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15467067 + ... + 15475030.

It is an arithmetic number, because the mean of its divisors is an integer number (12670789131).

Almost surely, 2^123211430254 is an apocalyptic number.

123211430254 is a deficient number, since it is larger than the sum of its proper divisors (79521195842).

123211430254 is a wasteful number, since it uses less digits than its factorization.

123211430254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30942291.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 123211430254 its reverse (452034112321), we get a palindrome (575245542575).

The spelling of 123211430254 in words is "one hundred twenty-three billion, two hundred eleven million, four hundred thirty thousand, two hundred fifty-four".