1423120212 has 24 divisors (see below), whose sum is σ = 3689571200. Its totient is φ = 474373368.

The previous prime is 1423120211. The next prime is 1423120229. The reversal of 1423120212 is 2120213241.

It is a happy number.

1423120212 is a `hidden beast` number, since 142 + 312 + 0 + 212 = 666.

It is a super-2 number, since 2×1423120212² = 4050542275605849888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423120211) 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, 6588412 + ... + 6588627.

Almost surely, 2^1423120212 is an apocalyptic number.

1423120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423120212 is an abundant number, since it is smaller than the sum of its proper divisors (2266450988).

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

1423120212 is a wasteful number, since it uses less digits than its factorization.

1423120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177052 (or 13177044 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1423120212 is about 37724.2655594513. The cubic root of 1423120212 is about 1124.8135228695.

Adding to 1423120212 its reverse (2120213241), we get a palindrome (3543333453).

It can be divided in two parts, 14231 and 20212, that added together give a palindrome (34443).

The spelling of 1423120212 in words is "one billion, four hundred twenty-three million, one hundred twenty thousand, two hundred twelve".