7421401023 has 16 divisors (see below), whose sum is σ = 10216704000. Its totient is φ = 4786921440.

The previous prime is 7421400997. The next prime is 7421401027. The reversal of 7421401023 is 3201041247.

It is a happy number.

It is not a de Polignac number, because 7421401023 - 2¹⁴ = 7421384639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7421400984 and 7421401002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421401027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734238 + ... + 744276.

It is an arithmetic number, because the mean of its divisors is an integer number (638544000).

Almost surely, 2^7421401023 is an apocalyptic number.

7421401023 is a deficient number, since it is larger than the sum of its proper divisors (2795302977).

7421401023 is a wasteful number, since it uses less digits than its factorization.

7421401023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18022.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7421401023 is about 86147.5537841905. The cubic root of 7421401023 is about 1950.5719140357.

The spelling of 7421401023 in words is "seven billion, four hundred twenty-one million, four hundred one thousand, twenty-three".