1223453154 has 32 divisors (see below), whose sum is σ = 3050689536. Its totient is φ = 317779920.

The previous prime is 1223453141. The next prime is 1223453159. The reversal of 1223453154 is 4513543221.

It is not an unprimeable number, because it can be changed into a prime (1223453159) 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, 1323622 + ... + 1324545.

It is an arithmetic number, because the mean of its divisors is an integer number (95334048).

Almost surely, 2^1223453154 is an apocalyptic number.

1223453154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1223453154 is an abundant number, since it is smaller than the sum of its proper divisors (1827236382).

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

1223453154 is a wasteful number, since it uses less digits than its factorization.

1223453154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648190.

The product of its digits is 14400, while the sum is 30.

The square root of 1223453154 is about 34977.8952196955. The cubic root of 1223453154 is about 1069.5369219270.

Adding to 1223453154 its reverse (4513543221), we get a palindrome (5736996375).

The spelling of 1223453154 in words is "one billion, two hundred twenty-three million, four hundred fifty-three thousand, one hundred fifty-four".