47155023 has 6 divisors (see below), whose sum is σ = 68112824. Its totient is φ = 31436676.

The previous prime is 47155019. The next prime is 47155027. The reversal of 47155023 is 32055174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47155019) and next prime (47155027).

It is not a de Polignac number, because 47155023 - 2² = 47155019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47155027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2619715 + ... + 2619732.

Almost surely, 2^47155023 is an apocalyptic number.

47155023 is a deficient number, since it is larger than the sum of its proper divisors (20957801).

47155023 is a wasteful number, since it uses less digits than its factorization.

47155023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239453 (or 5239450 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 47155023 is about 6866.9515070372. The cubic root of 47155023 is about 361.2789463681.

The spelling of 47155023 in words is "forty-seven million, one hundred fifty-five thousand, twenty-three".