45647423 has 2 divisors, whose sum is σ = 45647424. Its totient is φ = 45647422.

The previous prime is 45647419. The next prime is 45647429. The reversal of 45647423 is 32474654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45647423 - 2² = 45647419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45647429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22823711 + 22823712.

It is an arithmetic number, because the mean of its divisors is an integer number (22823712).

Almost surely, 2^45647423 is an apocalyptic number.

45647423 is a deficient number, since it is larger than the sum of its proper divisors (1).

45647423 is an equidigital number, since it uses as much as digits as its factorization.

45647423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 35.

The square root of 45647423 is about 6756.2876640948. The cubic root of 45647423 is about 357.3870032634.

The spelling of 45647423 in words is "forty-five million, six hundred forty-seven thousand, four hundred twenty-three".