1423121300 has 36 divisors (see below), whose sum is σ = 3140528160. Its totient is φ = 559597920.

The previous prime is 1423121281. The next prime is 1423121311. The reversal of 1423121300 is 31213241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114704 + ... + 126503.

Almost surely, 2^1423121300 is an apocalyptic number.

1423121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423121300 is an abundant number, since it is smaller than the sum of its proper divisors (1717406860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423121300 is a wasteful number, since it uses less digits than its factorization.

1423121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241280 (or 241273 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1423121300 is about 37724.2799798750. The cubic root of 1423121300 is about 1124.8138095159.

Adding to 1423121300 its reverse (31213241), we get a palindrome (1454334541).

The spelling of 1423121300 in words is "one billion, four hundred twenty-three million, one hundred twenty-one thousand, three hundred".