64023403 has 2 divisors, whose sum is σ = 64023404. Its totient is φ = 64023402.

The previous prime is 64023397. The next prime is 64023419. The reversal of 64023403 is 30432046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64023403 - 2⁵ = 64023371 is a prime.

It is a super-2 number, since 2×64023403² = 8197992263400818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64023433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32011701 + 32011702.

It is an arithmetic number, because the mean of its divisors is an integer number (32011702).

Almost surely, 2^64023403 is an apocalyptic number.

64023403 is a deficient number, since it is larger than the sum of its proper divisors (1).

64023403 is an equidigital number, since it uses as much as digits as its factorization.

64023403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 64023403 is about 8001.4625538085. The cubic root of 64023403 is about 400.0487503083.

Adding to 64023403 its reverse (30432046), we get a palindrome (94455449).

The spelling of 64023403 in words is "sixty-four million, twenty-three thousand, four hundred three".