1223151003 has 16 divisors (see below), whose sum is σ = 1918668960. Its totient is φ = 767467008.

The previous prime is 1223150987. The next prime is 1223151029. The reversal of 1223151003 is 3001513221.

1223151003 is a `hidden beast` number, since 122 + 31 + 510 + 0 + 3 = 666.

It is not a de Polignac number, because 1223151003 - 2⁴ = 1223150987 is a prime.

It is a super-2 number, since 2×1223151003² = 2992196752279812018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223151043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331950 + ... + 1332867.

It is an arithmetic number, because the mean of its divisors is an integer number (119916810).

Almost surely, 2^1223151003 is an apocalyptic number.

1223151003 is a deficient number, since it is larger than the sum of its proper divisors (695517957).

1223151003 is a wasteful number, since it uses less digits than its factorization.

1223151003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664843 (or 2664837 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1223151003 is about 34973.5757822960. The cubic root of 1223151003 is about 1069.4488683560.

Adding to 1223151003 its reverse (3001513221), we get a palindrome (4224664224).

The spelling of 1223151003 in words is "one billion, two hundred twenty-three million, one hundred fifty-one thousand, three".