38224723 has 2 divisors, whose sum is σ = 38224724. Its totient is φ = 38224722.

The previous prime is 38224657. The next prime is 38224727. The reversal of 38224723 is 32742283.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38224723 is a prime.

It is a super-2 number, since 2×38224723² = 2922258896853458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38224727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19112361 + 19112362.

It is an arithmetic number, because the mean of its divisors is an integer number (19112362).

Almost surely, 2^38224723 is an apocalyptic number.

38224723 is a deficient number, since it is larger than the sum of its proper divisors (1).

38224723 is an equidigital number, since it uses as much as digits as its factorization.

38224723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 38224723 is about 6182.6145763746. The cubic root of 38224723 is about 336.8589694206.

The spelling of 38224723 in words is "thirty-eight million, two hundred twenty-four thousand, seven hundred twenty-three".