1423580929 has 4 divisors (see below), whose sum is σ = 1485475776. Its totient is φ = 1361686084.

The previous prime is 1423580911. The next prime is 1423580941. The reversal of 1423580929 is 9290853241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1423580929 - 2¹¹ = 1423578881 is a prime.

It is a super-2 number, since 2×1423580929² = 4053165322825006082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423580989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30947389 + ... + 30947434.

It is an arithmetic number, because the mean of its divisors is an integer number (371368944).

Almost surely, 2^1423580929 is an apocalyptic number.

It is an amenable number.

1423580929 is a deficient number, since it is larger than the sum of its proper divisors (61894847).

1423580929 is an equidigital number, since it uses as much as digits as its factorization.

1423580929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61894846.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1423580929 is about 37730.3714399951. The cubic root of 1423580929 is about 1124.9348911126.

The spelling of 1423580929 in words is "one billion, four hundred twenty-three million, five hundred eighty thousand, nine hundred twenty-nine".