1626442023 has 8 divisors (see below), whose sum is σ = 2170524928. Its totient is φ = 1083326904.

The previous prime is 1626441979. The next prime is 1626442039. The reversal of 1626442023 is 3202446261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1626442023 - 2⁹ = 1626441511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1626442093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238015 + ... + 244752.

It is an arithmetic number, because the mean of its divisors is an integer number (271315616).

Almost surely, 2^1626442023 is an apocalyptic number.

1626442023 is a deficient number, since it is larger than the sum of its proper divisors (544082905).

1626442023 is a wasteful number, since it uses less digits than its factorization.

1626442023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483893.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1626442023 is about 40329.1708692356. The cubic root of 1626442023 is about 1176.0150029612.

Adding to 1626442023 its reverse (3202446261), we get a palindrome (4828888284).

The spelling of 1626442023 in words is "one billion, six hundred twenty-six million, four hundred forty-two thousand, twenty-three".