1030023421 has 64 divisors (see below), whose sum is σ = 1418342400. Its totient is φ = 725953536.

The previous prime is 1030023413. The next prime is 1030023469. The reversal of 1030023421 is 1243200301.

It is a happy number.

It is not a de Polignac number, because 1030023421 - 2³ = 1030023413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1030023395 and 1030023404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030023481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1507746 + ... + 1508428.

It is an arithmetic number, because the mean of its divisors is an integer number (22161600).

Almost surely, 2^1030023421 is an apocalyptic number.

It is an amenable number.

1030023421 is a deficient number, since it is larger than the sum of its proper divisors (388318979).

1030023421 is a wasteful number, since it uses less digits than its factorization.

1030023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1030023421 is about 32093.9779553735. The cubic root of 1030023421 is about 1009.9092886541.

Adding to 1030023421 its reverse (1243200301), we get a palindrome (2273223722).

The spelling of 1030023421 in words is "one billion, thirty million, twenty-three thousand, four hundred twenty-one".