88023421 has 2 divisors, whose sum is σ = 88023422. Its totient is φ = 88023420.

The previous prime is 88023413. The next prime is 88023437. The reversal of 88023421 is 12432088.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46922500 + 41100921 = 6850^2 + 6411^2 .

It is a cyclic number.

It is not a de Polignac number, because 88023421 - 2³ = 88023413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88023421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88023401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44011710 + 44011711.

It is an arithmetic number, because the mean of its divisors is an integer number (44011711).

Almost surely, 2^88023421 is an apocalyptic number.

It is an amenable number.

88023421 is a deficient number, since it is larger than the sum of its proper divisors (1).

88023421 is an equidigital number, since it uses as much as digits as its factorization.

88023421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 88023421 is about 9382.0797800914. The cubic root of 88023421 is about 444.8354750967.

The spelling of 88023421 in words is "eighty-eight million, twenty-three thousand, four hundred twenty-one".