47023429 has 2 divisors, whose sum is σ = 47023430. Its totient is φ = 47023428.

The previous prime is 47023409. The next prime is 47023441. The reversal of 47023429 is 92432074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39350529 + 7672900 = 6273^2 + 2770^2 .

It is a cyclic number.

It is not a de Polignac number, because 47023429 - 2¹³ = 47015237 is a prime.

It is a super-2 number, since 2×47023429² = 4422405749836082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47023429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47023409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23511714 + 23511715.

It is an arithmetic number, because the mean of its divisors is an integer number (23511715).

Almost surely, 2^47023429 is an apocalyptic number.

It is an amenable number.

47023429 is a deficient number, since it is larger than the sum of its proper divisors (1).

47023429 is an equidigital number, since it uses as much as digits as its factorization.

47023429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 47023429 is about 6857.3631229504. The cubic root of 47023429 is about 360.9425634329.

The spelling of 47023429 in words is "forty-seven million, twenty-three thousand, four hundred twenty-nine".