151700123 has 16 divisors (see below), whose sum is σ = 164589600. Its totient is φ = 139345920.

The previous prime is 151700113. The next prime is 151700137. The reversal of 151700123 is 321007151.

It is a cyclic number.

It is not a de Polignac number, because 151700123 - 2¹⁴ = 151683739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151700095 and 151700104.

It is not an unprimeable number, because it can be changed into a prime (151700113) 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, 149843 + ... + 150851.

It is an arithmetic number, because the mean of its divisors is an integer number (10286850).

Almost surely, 2^151700123 is an apocalyptic number.

151700123 is a deficient number, since it is larger than the sum of its proper divisors (12889477).

151700123 is a wasteful number, since it uses less digits than its factorization.

151700123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 151700123 is about 12316.6603833994. The cubic root of 151700123 is about 533.3291371632.

Adding to 151700123 its reverse (321007151), we get a palindrome (472707274).

The spelling of 151700123 in words is "one hundred fifty-one million, seven hundred thousand, one hundred twenty-three".