123398454151 has 16 divisors (see below), whose sum is σ = 143944360000. Its totient is φ = 105741103104.

The previous prime is 123398454121. The next prime is 123398454169. The reversal of 123398454151 is 151454893321.

It is not a de Polignac number, because 123398454151 - 2²¹ = 123396356999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123398454121) 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, 1253575 + ... + 1348423.

It is an arithmetic number, because the mean of its divisors is an integer number (8996522500).

Almost surely, 2^123398454151 is an apocalyptic number.

123398454151 is a deficient number, since it is larger than the sum of its proper divisors (20545905849).

123398454151 is an frugal number, since it uses more digits than its factorization.

123398454151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98663 (or 98649 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The spelling of 123398454151 in words is "one hundred twenty-three billion, three hundred ninety-eight million, four hundred fifty-four thousand, one hundred fifty-one".