88400423 has 2 divisors, whose sum is σ = 88400424. Its totient is φ = 88400422.

The previous prime is 88400399. The next prime is 88400453. The reversal of 88400423 is 32400488.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88400423 - 2¹² = 88396327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88400453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44200211 + 44200212.

It is an arithmetic number, because the mean of its divisors is an integer number (44200212).

Almost surely, 2^88400423 is an apocalyptic number.

88400423 is a deficient number, since it is larger than the sum of its proper divisors (1).

88400423 is an equidigital number, since it uses as much as digits as its factorization.

88400423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 88400423 is about 9402.1499137165. The cubic root of 88400423 is about 445.4696434662.

The spelling of 88400423 in words is "eighty-eight million, four hundred thousand, four hundred twenty-three".