47400623 has 2 divisors, whose sum is σ = 47400624. Its totient is φ = 47400622.

The previous prime is 47400601. The next prime is 47400629. The reversal of 47400623 is 32600474.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47400623 - 2⁶ = 47400559 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 47400592 and 47400601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47400629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23700311 + 23700312.

It is an arithmetic number, because the mean of its divisors is an integer number (23700312).

Almost surely, 2^47400623 is an apocalyptic number.

47400623 is a deficient number, since it is larger than the sum of its proper divisors (1).

47400623 is an equidigital number, since it uses as much as digits as its factorization.

47400623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 47400623 is about 6884.8110358963. The cubic root of 47400623 is about 361.9050833229.

The spelling of 47400623 in words is "forty-seven million, four hundred thousand, six hundred twenty-three".