123034245654 has 16 divisors (see below), whose sum is σ = 254006184960. Its totient is φ = 39688466280.

The previous prime is 123034245601. The next prime is 123034245689. The reversal of 123034245654 is 456542430321.

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, 330737034 + ... + 330737405.

It is an arithmetic number, because the mean of its divisors is an integer number (15875386560).

Almost surely, 2^123034245654 is an apocalyptic number.

123034245654 is an abundant number, since it is smaller than the sum of its proper divisors (130971939306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123034245654 is a wasteful number, since it uses less digits than its factorization.

123034245654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661474475.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 123034245654 its reverse (456542430321), we get a palindrome (579576675975).

The spelling of 123034245654 in words is "one hundred twenty-three billion, thirty-four million, two hundred forty-five thousand, six hundred fifty-four".