1223150523002 has 4 divisors (see below), whose sum is σ = 1834725784506. Its totient is φ = 611575261500.

The previous prime is 1223150522999. The next prime is 1223150523083. The reversal of 1223150523002 is 2003250513221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1175032152121 + 48118370881 = 1083989^2 + 219359^2 .

It is a super-2 number, since 2×1223150523002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305787630749 + ... + 305787630752.

Almost surely, 2^{1223150523002} is an apocalyptic number.

1223150523002 is a deficient number, since it is larger than the sum of its proper divisors (611575261504).

1223150523002 is an equidigital number, since it uses as much as digits as its factorization.

1223150523002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611575261503.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 1223150523002 in words is "one trillion, two hundred twenty-three billion, one hundred fifty million, five hundred twenty-three thousand, two".