1223040510 has 24 divisors (see below), whose sum is σ = 3179905560. Its totient is φ = 326144112.

The previous prime is 1223040509. The next prime is 1223040527. The reversal of 1223040510 is 150403221.

1223040510 is a `hidden beast` number, since 122 + 30 + 4 + 0 + 510 = 666.

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

It is a Curzon number.

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, 6794580 + ... + 6794759.

It is an arithmetic number, because the mean of its divisors is an integer number (132496065).

Almost surely, 2^1223040510 is an apocalyptic number.

1223040510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223040510 is an abundant number, since it is smaller than the sum of its proper divisors (1956865050).

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

1223040510 is a wasteful number, since it uses less digits than its factorization.

1223040510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13589352 (or 13589349 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1223040510 is about 34971.9960825801. The cubic root of 1223040510 is about 1069.4166645993.

Adding to 1223040510 its reverse (150403221), we get a palindrome (1373443731).

The spelling of 1223040510 in words is "one billion, two hundred twenty-three million, forty thousand, five hundred ten".