1223142030 has 48 divisors (see below), whose sum is σ = 3469278384. Its totient is φ = 296519040.

The previous prime is 1223142007. The next prime is 1223142059. The reversal of 1223142030 is 302413221.

1223142030 is a `hidden beast` number, since 12 + 231 + 420 + 3 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1223141994 and 1223142012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616759 + ... + 618738.

It is an arithmetic number, because the mean of its divisors is an integer number (72276633).

Almost surely, 2^1223142030 is an apocalyptic number.

1223142030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223142030 is an abundant number, since it is smaller than the sum of its proper divisors (2246136354).

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

1223142030 is a wasteful number, since it uses less digits than its factorization.

1223142030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235521 (or 1235518 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1223142030 is about 34973.4474994960. The cubic root of 1223142030 is about 1069.4462532011.

Adding to 1223142030 its reverse (302413221), we get a palindrome (1525555251).

The spelling of 1223142030 in words is "one billion, two hundred twenty-three million, one hundred forty-two thousand, thirty".