47023901 has 2 divisors, whose sum is σ = 47023902. Its totient is φ = 47023900.

The previous prime is 47023859. The next prime is 47023903. The reversal of 47023901 is 10932074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26275876 + 20748025 = 5126^2 + 4555^2 .

It is a cyclic number.

It is not a de Polignac number, because 47023901 - 2²² = 42829597 is a prime.

It is a super-2 number, since 2×47023901² = 4422494530515602, which contains 22 as substring.

Together with 47023903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47023903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23511950 + 23511951.

It is an arithmetic number, because the mean of its divisors is an integer number (23511951).

Almost surely, 2^47023901 is an apocalyptic number.

It is an amenable number.

47023901 is a deficient number, since it is larger than the sum of its proper divisors (1).

47023901 is an equidigital number, since it uses as much as digits as its factorization.

47023901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 47023901 is about 6857.3975384252. The cubic root of 47023901 is about 360.9437710885.

Adding to 47023901 its reverse (10932074), we get a palindrome (57955975).

The spelling of 47023901 in words is "forty-seven million, twenty-three thousand, nine hundred one".