423761157 has 12 divisors (see below), whose sum is σ = 620721504. Its totient is φ = 278528040.

The previous prime is 423761119. The next prime is 423761183. The reversal of 423761157 is 751167324.

It is a happy number.

423761157 is a `hidden beast` number, since 4 + 2 + 37 + 611 + 5 + 7 = 666.

It is not a de Polignac number, because 423761157 - 2¹⁴ = 423744773 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423761257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330943 + ... + 332220.

It is an arithmetic number, because the mean of its divisors is an integer number (51726792).

Almost surely, 2^423761157 is an apocalyptic number.

It is an amenable number.

423761157 is a deficient number, since it is larger than the sum of its proper divisors (196960347).

423761157 is a wasteful number, since it uses less digits than its factorization.

423761157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663240 (or 663237 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 423761157 is about 20585.4598442687. The cubic root of 423761157 is about 751.1160610532.

The spelling of 423761157 in words is "four hundred twenty-three million, seven hundred sixty-one thousand, one hundred fifty-seven".