151236423 has 16 divisors (see below), whose sum is σ = 241289440. Its totient is φ = 93068352.

The previous prime is 151236419. The next prime is 151236451. The reversal of 151236423 is 324632151.

151236423 is a `hidden beast` number, since 1 + 5 + 1 + 236 + 423 = 666.

151236423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 151236423 - 2² = 151236419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151236473) 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, 215086 + ... + 215787.

It is an arithmetic number, because the mean of its divisors is an integer number (15080590).

Almost surely, 2^151236423 is an apocalyptic number.

151236423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

151236423 is a deficient number, since it is larger than the sum of its proper divisors (90053017).

151236423 is a wasteful number, since it uses less digits than its factorization.

151236423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430895 (or 430889 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 151236423 is about 12297.8218803169. The cubic root of 151236423 is about 532.7851755574.

Adding to 151236423 its reverse (324632151), we get a palindrome (475868574).

The spelling of 151236423 in words is "one hundred fifty-one million, two hundred thirty-six thousand, four hundred twenty-three".