1423641023 has 8 divisors (see below), whose sum is σ = 1633827840. Its totient is φ = 1215156600.

The previous prime is 1423641019. The next prime is 1423641049. The reversal of 1423641023 is 3201463241.

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

It is not a de Polignac number, because 1423641023 - 2² = 1423641019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423640983 and 1423641001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423641053) 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, 423803 + ... + 427148.

It is an arithmetic number, because the mean of its divisors is an integer number (204228480).

Almost surely, 2^1423641023 is an apocalyptic number.

1423641023 is a deficient number, since it is larger than the sum of its proper divisors (210186817).

1423641023 is an equidigital number, since it uses as much as digits as its factorization.

1423641023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851197.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1423641023 is about 37731.1677926883. The cubic root of 1423641023 is about 1124.9507199483.

The spelling of 1423641023 in words is "one billion, four hundred twenty-three million, six hundred forty-one thousand, twenty-three".