1234423120 has 40 divisors (see below), whose sum is σ = 3280040064. Its totient is φ = 423230592.

The previous prime is 1234423117. The next prime is 1234423123. The reversal of 1234423120 is 213244321.

It is an interprime number because it is at equal distance from previous prime (1234423117) and next prime (1234423123).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1234423091 and 1234423100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234423123) 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, 1101604 + ... + 1102723.

Almost surely, 2^1234423120 is an apocalyptic number.

1234423120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234423120 is an abundant number, since it is smaller than the sum of its proper divisors (2045616944).

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

1234423120 is a wasteful number, since it uses less digits than its factorization.

1234423120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204347 (or 2204341 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1234423120 is about 35134.3581128217. The cubic root of 1234423120 is about 1072.7240458322.

Adding to 1234423120 its reverse (213244321), we get a palindrome (1447667441).

The spelling of 1234423120 in words is "one billion, two hundred thirty-four million, four hundred twenty-three thousand, one hundred twenty".